CDH30D14DSHPHF-3R3MC

Fixed Inductors Overview

The CDH30D14DSHPHF-3R3MC is a fixed surface-mount power inductor from Sumida America Components Inc. It features an unshielded ferrite drum core construction with wirewound technology. The component has an inductance of 3.3 µH, a maximum DC resistance of 155 mOhm, and a rated current of 1.22 A. Its physical dimensions are 3.2 mm in length, 3.15 mm in width, and a maximum height of 1.0 mm. The part operates within a temperature range of -40°C to +105°C and complies with RoHS standards.

Fixed Inductors Feature Summary

• Unshielded ferrite drum core design for specific magnetic field requirements
• Compact surface-mount footprint suitable for space-constrained layouts
• Halogen-free composition ensuring environmental compliance

Fixed Inductors Applications

• DC-DC converter output filtering
• Power supply input chokes
• Signal processing circuits requiring low-profile inductance

Fixed Inductors Procurement Notes

Verify the exact suffix designation against official Sumida documentation to confirm halogen-free status and specific tolerance grades. Ensure that the unshielded nature aligns with the target circuit's electromagnetic interference constraints before finalizing procurement orders.

Fixed Inductors Selection Notes

Select this component when an unshielded configuration is required to minimize cost or weight while maintaining standard power inductance characteristics. Consider the 1.22 A current rating and 155 mOhm resistance for thermal management planning in high-density power stages.

Fixed Inductors Part Context

This model belongs to the CDH30D14DSHP series of SMD power inductors manufactured by Sumida Corporation. The series utilizes ferrite drum cores to provide stable inductance values in a compact form factor, targeting applications where magnetic shielding is not strictly necessary.

Fixed Inductors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.